Home / 26,981.02-40,445.52-17,095.78

Finding the Fourth Proportional to 26,981.02, 40,445.52 and 17,095.78

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Solution

The fourth proportional to 26,981.02, 40,445.52 and 17,095.78 is: 25,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.02 : 40,445.52 = 17,095.78 : x
  2. Step 2: Convert to fraction form
    26,981.02/40,445.52 = 17,095.78/x
  3. Step 3: Cross multiply
    26,981.02x = 40,445.52 × 17,095.78
  4. Step 4: Simplify right side
    26,981.02x = 691,447,711.91
  5. Step 5: Solve for x
    x = 691,447,711.91/26,981.02
  6. Step 6: Final answer
    x = 25,627.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.